[vtkusers] vtkScalarBarActor & Disappearing actors.

Michael Bonner bonner10 at llnl.gov
Thu Mar 6 15:23:26 EST 2003


Yes. I have two look up tables, one for block actors and one for cylinder 
actors. All actors that represent blocks share a common lut, and each 
vtkDataArray that is created to contain block scalars uses that lut.

Are you sharing a look up table among your actors?

-Mike

At 01:11 PM 3/6/2003 -0600, Joey Mukherjee wrote:

>On Thursday, March 6, 2003, at 12:43  PM, Michael Bonner wrote:
>
>>My problem is that some blocks or cylinders are just not visible 
>>sometimes. If I change data array & rebuild the table more blocks or 
>>cylinders may disappear, or they may be restored. There does not seem to 
>>be any ryhme or reason to what is happening. Sometimes, if I change the 
>>array & rebuild, a rectangle of color appears in another(unrelated) 
>>renderer in another section of the view port.
>>
>>I have been dealing with this problem for a while and my current working 
>>solution is to keep the scalar bars in another vtkRenderWindow. If I do 
>>this their are no problems whatsoever.
>
>>Currently I have no idea why this is happening. If anybody at all has any 
>>idea or has seen any thing similar I would greatly appreciate it.
>
>I am seeing something similar.  Are you sharing lookup tables among your 
>actors?
>
>Joey





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